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Message regarding disturbance

If the diagnosis function detect a disturbance in the EMS 2 system, this is reported using fault codes via the instruments. Depending on which equipment is used, this is reported in various ways (fault codes can also be read using VODIA):

For DCU - Display Control unit:

• the text” !! ENGINE WARNING !!” shows on the display. NOTE: you can select the language with which the DCU will present the information.

For CIU - Control Interface Unit:

• the diagnostic lamp starts to flash


Simultaneously, the fault will be stored in the control module memory. As soon as the fault has been at- tended to and the ignition is turned off and on, the fault code will no longer show as active.

• DCU - the fault code shows as passive

• CIU - the diagnosis lamp turns off

Both rectified (passive) and un-rectified (active) faults are stored in the control unit.

For reading fault codes, see chapter Operation on page 34.

All fault codes are found in the fault code list with in- formation about cause, reaction and actions, see chapter on ”Fault codes.”

NOTE: The indicated flashing codes apply only if the Volvo Penta CIU is used.


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